2021 GU4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4229775623 ± 8.99e-07
Semi-major axis (a)2.1767702401 AU ± 9.62e-07
Inclination (i)8.49545939° ± 2.77e-05
Long. of Asc. Node (Ω)87.88399251° ± 2.60e-04
Arg. of Perihelion (ω)211.22534766° ± 2.48e-04
Mean Anomaly (M)108.89747799° ± 5.28e-04
Mean Motion (n)0.3068975272°/day ± 2.04e-07
Perihelion dist (q)1.25604527 AU ± 2.03e-06
Aphelion dist (Q)3.09749521 AU ± 2.39e-06
Orbital Period3.21158105 yr ± 2.13e-06
Physical Parameters
H (abs. magnitude)19.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.245″
Uncertainty0
Orbit TypeAmor
MOID0.250395 AU
Observations Used45
Oppositions2
Arc Total2018-2021
First Observation Used2018-09-04
Last Observation Used2021-05-08
Observations (52)
Date Type RA Dec Mag Band Observatory
2018-09-04 08:19:59 C 01 11 20.63 -21 19 52.1 V 703
2018-09-04 08:29:39 C 01 11 20.29 -21 19 53.4 V 703
2018-09-04 08:37:29 C 01 11 20.11 -21 19 54.6 V 703
2018-09-04 08:45:19 C 01 11 19.81 -21 19 57.4 V 703
2018-09-07 08:03:23 C 01 09 24.19 -21 31 23.2 V 703
2018-09-07 08:11:03 C 01 09 23.91 -21 31 24.0 V 703
2018-09-07 08:18:43 C 01 09 23.67 -21 31 26.7 V 703
2018-09-07 08:26:23 C 01 09 23.35 -21 31 27.1 V 703
2018-09-13 07:46:11 C 01 04 21.80 -21 45 05.5 U 703
2018-09-13 07:53:54 C 01 04 21.42 -21 45 08.0 U 703
2018-09-13 08:01:37 C 01 04 21.05 -21 45 07.0 U 703
2018-09-13 08:09:19 C 01 04 20.73 -21 45 09.0 U 703
2018-09-16 08:38:25 C 01 01 21.42 -21 46 33.9 V G96
2018-09-16 08:45:54 C 01 01 21.09 -21 46 33.7 V G96
2018-09-16 08:53:22 C 01 01 20.73 -21 46 33.9 V G96
2018-09-16 09:00:50 C 01 01 20.36 -21 46 33.6 V G96
2018-10-10 09:41:43 C 00 36 31.508 -19 36 08.59 U F52
2018-10-10 09:58:39 C 00 36 30.861 -19 36 01.34 U F52
2018-10-10 10:32:34 C 00 36 29.554 -19 35 47.14 U F52
2018-11-08 08:23:43 C 00 27 09.453 -13 14 30.97 U F52
2018-11-08 08:44:49 C 00 27 09.537 -13 14 17.84 U F52
2021-04-03 08:40:03 C 13 58 07.27 +05 08 13.4 V G96
2021-04-03 08:47:27 C 13 58 06.94 +05 08 16.3 V G96
2021-04-03 08:54:51 C 13 58 06.67 +05 08 18.9 V G96
2021-04-07 11:22:43 C 13 54 07.920 +05 42 29.94 U F51
2021-04-07 11:41:59 C 13 54 07.054 +05 42 36.73 U F51
2021-04-07 12:01:17 C 13 54 06.176 +05 42 43.00 U F51
2021-04-07 12:20:37 C 13 54 05.255 +05 42 50.00 U F51
2021-04-08 09:29:02 C 13 53 09.90 +05 49 59.0 V G96
2021-04-08 09:35:57 C 13 53 09.56 +05 50 01.7 V G96
2021-04-08 09:58:06 C 13 53 08.51 +05 50 08.7 V G96
2021-04-08 10:05:00 C 13 53 08.21 +05 50 11.2 V G96
2021-04-08 11:02:38 C 13 53 05.928 +05 50 32.63 U F51
2021-04-08 11:20:59 C 13 53 05.075 +05 50 38.39 U F51
2021-04-08 11:39:16 C 13 53 04.234 +05 50 44.97 U F51
2021-04-09 07:28:50 C 13 52 11.13 +05 57 22.6 o 291
2021-04-09 07:35:04 C 13 52 10.84 +05 57 24.8 o 291
2021-04-09 07:41:19 C 13 52 10.56 +05 57 27.2 o 291
2021-04-13 11:12:44 C 13 47 26.67 +06 29 29.4 V I52
2021-04-13 11:18:48 C 13 47 26.36 +06 29 31.9 V I52
2021-04-13 11:24:52 C 13 47 26.16 +06 29 33.0 V I52
2021-04-13 11:30:55 C 13 47 25.83 +06 29 35.0 V I52
2021-04-16 10:27:55 C 13 43 50.487 +06 50 40.70 U F51
2021-04-16 10:49:03 C 13 43 49.331 +06 50 46.90 U F51
2021-04-16 11:10:14 C 13 43 48.163 +06 50 52.73 U F51
2021-05-01 06:47:47 C 13 24 41.696 +08 00 07.49 U F51
2021-05-01 07:29:05 C 13 24 39.402 +08 00 11.13 U F51
2021-05-01 07:49:45 C 13 24 38.273 +08 00 13.05 U F51
2021-05-08 07:02:11 C 13 16 14.65 +08 05 18.9 V G96
2021-05-08 07:16:36 C 13 16 13.94 +08 05 18.5 V G96